Station info - map view · info · telemetry · weather · raw · status · beacons · messages · bulletins · browse · moving · my account
Callsign, ship name or locator: Clear       
It is possible to search using wildcards (*?) after a prefix. Example: OH*
AIS vessel KNOX - show graphs
Callsign: YJQH4
MMSI number: 577132000
IMO number: 123523
Navigational status: Under way (engine) (0)
Vessel class: Cargo (70)
Destination: USPEV (ETA Jan11 16:30)
Location: 26°05.44' N 80°04.03' W - locator EL96XC11WS - show map
5.2 miles Southeast bearing 115° from Fort Lauderdale, Broward County, Florida, United States [?]
5.5 miles Northeast bearing 61° from Dania Beach, Broward County, Florida, United States
20.7 miles Northeast bearing 39° from Hialeah, Miami-Dade County, Florida, United States
23.2 miles North bearing 20° from Miami, Miami-Dade County, Florida, United States
Last position: 2025-01-12 02:38:46 EST (20d 1h28m ago)
2025-01-12 02:38:46 EST local time at Fort Lauderdale, United States [?]
Course: 100°
Speed: 9 MPH
Dimensions: length 64 m width 12 m draught 2.3 m
Last path: YJQH4>ais via KN4CV
Positions stored: 99
Stations near current position of KNOX - show more
callsign distance last heard - EST      callsign distance last heard - EST
TRITON234.2 yards 10°2025-01-26 13:37:52 KALLISTO325.3 yards 32°2025-01-27 07:13:15
310996910 BM515.8 yards 81°2025-01-31 14:56:15 GRAND EXPRESS0.4 miles 338°2025-01-30 02:31:21
REGULA0.4 miles 94°2025-01-30 16:48:16 NEWTON W.0.4 miles 159°2025-01-30 17:53:25
ATUA0.5 miles 102°2025-01-10 21:55:55 SEAEXPRESSII0.6 miles 323°2025-01-28 22:27:35
COWBOY CODE0.6 miles 176°2025-01-29 08:11:54 HOOTY HOO0.7 miles 287°2025-01-14 05:56:11
IMAGINE...0.8 miles 323°2025-01-19 07:33:31 FREEDOM OF THE SEAS0.9 miles 3°2025-01-06 17:57:19
EMERALD EXPRESS0.9 miles 66°2025-01-31 17:07:33 FORTISSIMO1.0 miles 283°2025-01-27 15:15:20
CHOICES1.0 miles 91°2025-01-03 10:44:42 THE BLACKSMITH1.0 miles 281°2025-01-30 11:52:38
LAZY DAZE1.0 miles 273°2025-01-29 07:31:48 LADY GRAY1.0 miles 275°2025-01-30 08:13:07
CG CAMPBELL1.1 miles 281°2025-01-28 15:10:37 ABOUT TIME1.1 miles 280°2025-01-03 13:39:05
About this site
This page shows real-time information collected from the Automatic Position Reporting System Internet network (APRS-IS). APRS is used by amateur (ham) radio operators to transmit real-time position information, weather data, telemetry and messages over the radio. A vehicle equipped with a GPS receiver, a VHF transmitter or HF transceiver and a small computer device called a tracker transmits it's location, speed and course in a small data packet, which is then received by a nearby iGate receiving site which forwards the packet on the Internet. Systems connected to the Internet can send information on the APRS-IS without a radio transmitter, or collect and display information transmitted anywhere in the world.
User guide · FAQ · Blog · Discussion group · Linking to aprs.fi · AIS sites · Service status · Database statistics · Advertising on aprs.fi · Technical details · API · Change log · Planned changes · Credits and thanks · Terms Of Service · iPhone/iPad APRS